Read and act them out. Then make up the dialogues of your own and role-play them.
1)
Kitty: oh, Liz, you look great in that party dress! It's so beautiful. It suits you very well.
Liz: Thank you. I like it too.
2)
Mother: Oh, Sam, you look terrible in that yellow shirt. It doesn't suit you at all.
Sam: Well, I like it. Tastes differ.